Containing by weight not less than 0,4 % of manganese

Nonalloy pig iron in pigs, blocks or other primary forms, containing by weight < 0,5% phosphorus, > 0,4% manganese and < 1% silicon

Nonalloy pig iron in pigs, blocks or other primary forms, containing by weight < 0,5% phosphorus, > 0,4% manganese and > 1% silicon

Containing by weight 1 % or less of silicon